When is The First Day of Spring 2017 Spring Equinox

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What is The First Day of Spring, When is The First Day of Spring 2017, and the the first day of spring 2018, 2019, 2020 dates.

What is The First Day of Spring (Spring Equinox)?

Spring Equinox (March Equinox) – Equal Day and Night, Nearly. There are two equinoxes every year – in March and September – when the Sun shines directly on the equator and the length of night and day are nearly equal.